人教版四年级数学下册第一单元四则混合运算专项练习题149Word文档格式.docx
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人教版四年级数学下册第一单元四则混合运算专项练习题149Word文档格式.docx
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91+16÷
9495+320÷
160-194442+264÷
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221×
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7(33+2)×
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29×
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140+72÷
9×
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64=108×
72=504÷
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168-42÷
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97-27÷
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190+183782+486÷
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94+28÷
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